&nbsp461 &nbspFXUS01 KWBC 162004 &nbspPMDSPD &nbsp &nbspSHORT RANGE FORECAST DISCUSSION &nbspNWS WEATHER PREDICTION CENTER COLLEGE PARK MD &nbsp304 PM EST FRI FEB 16 2018 &nbsp &nbspVALID 00Z SAT FEB 17 2018 - 00Z MON FEB 19 2018 &nbsp &nbsp...SNOW POSSIBLE FOR PARTS OF THE CENTRAL APPALACHIANS/NORTHERN &nbspMID-ATLANTIC... &nbsp&nbsp &nbsp..HEAVY SNOW POSSIBLE FOR THE CASCADES AND THE NORTHERN ROCKIES &nbsp &nbsp&nbsp &nbsp..HEAVY RAIN POSSIBLE OVER PARTS OF THE PACIFIC NORTHWEST &nbsp &nbspA FRONT EXTENDING FROM THE SOUTHERN MID-ATLANTIC TO THE WESTERN &nbspGULF COAST WILL HAVE A WAVE OF LOW PRESSURE DEVELOP OVER THE &nbspCENTRAL GULF COAST ON FRIDAY EVENING. THE LOW WILL MOVE &nbspNORTHEASTWARD TO THE SOUTHERN MID-ATLANTIC COAST BY SATURDAY &nbspEVENING THEN MOVE OUT OVER THE WESTERN ATLANTIC BY SUNDAY MORNING. &nbsp THE BOUNDARY WILL SETTLE SOUTHWARD OVER THE SOUTHEAST BY SUNDAY &nbspMORNING AS WELL. THE SYSTEM WILL PRODUCE RAIN OVER PARTS OF &nbspSOUTHERN NEW ENGLAND/MID-ATLANTIC SOUTHWESTWARD INTO THE TENNESSEE &nbspVALLEY AND MOVE OFF MOST OF THE NORTHEAST/NORTHERN MID-ATLANTIC BY &nbspLATE FRIDAY NIGHT AND OFF THE SOUTHERN MID-ATLANTIC COAST BY &nbspSATURDAY MORNING. THE RAIN MAY CHANGE OVER TO SNOW BRIEFLY BEFORE &nbspENDING FROM SOUTHERN NEW ENGLAND TO THE CENTRAL APPALACHIANS &nbspDURING THE EVENING HOURS ON FRIDAY. &nbsp &nbspMEANWHILE, MOISTURE MOVING NORTHWESTWARD OVER THE SOUTHERN PLAINS &nbspFROM THE WESTERN GULF OF MEXICO WILL OVERRUN THE BOUNDARY OVER THE &nbspWESTERN GULF COAST PRODUCING RAIN OVER PARTS OF THE SOUTHERN &nbspROCKIES INTO THE SOUTHERN PLAINS/CENTRAL GULF COAST ON FRIDAY &nbspEVENING. AS THE SURFACE WAVE OF LOW PRESSURE BEGINS TO MOVE &nbspNORTHEASTWARD INTO THE SOUTHERN PLAINS AND PARTS OF THE &nbspLOWER/MIDDLE MISSISSIPPI VALLEY BY SATURDAY MORNING AND ENDING &nbspOVER THE SOUTHERN ROCKIES/SOUTHERN HIGH PLAINS OVERNIGHT FRIDAY. &nbspTHE RAIN WILL MOVE INTO THE SOUTHERN OHIO/TENNESSEE VALLEYS ON &nbspSATURDAY MOVING INTO THE MID-ATLANTIC BY SATURDAY EVENING. IN &nbspADDITION BY SATURDAY EVENING, SNOW WILL DEVELOP OVER PARTS OF THE &nbspNORTHERN MID-ATLANTIC MOVING INTO PARTS OF NEW ENGLAND OVERNIGHT &nbspSATURDAY INTO SUNDAY MORNING. THE RAIN WILL MOVE OFF THE &nbspMID-ATLANTIC COAST BY SUNDAY MORNING WHILE ENDING OVER THE &nbspSOUTHERN MID-ATLANTIC INTO THE CENTRAL GULF COAST OVERNIGHT &nbspSATURDAY. &nbsp &nbspMORE TO FOLLOW &nbsp &nbspZIEGENFELDER &nbsp &nbspGRAPHICS AVAILABLE AT &nbspWWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP &nbsp &nbsp